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Finding the Fourth Proportional to 152,710.68, 210,733.60 and 84,726.94

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Solution

The fourth proportional to 152,710.68, 210,733.60 and 84,726.94 is: 116,919.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,710.68 : 210,733.60 = 84,726.94 : x
  2. Step 2: Convert to fraction form
    152,710.68/210,733.60 = 84,726.94/x
  3. Step 3: Cross multiply
    152,710.68x = 210,733.60 × 84,726.94
  4. Step 4: Simplify right side
    152,710.68x = 17,854,813,083.18
  5. Step 5: Solve for x
    x = 17,854,813,083.18/152,710.68
  6. Step 6: Final answer
    x = 116,919.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.