Home / 152,339.51-210,230.70-87,773.13

Finding the Fourth Proportional to 152,339.51, 210,230.70 and 87,773.13

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Solution

The fourth proportional to 152,339.51, 210,230.70 and 87,773.13 is: 121,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,339.51 : 210,230.70 = 87,773.13 : x
  2. Step 2: Convert to fraction form
    152,339.51/210,230.70 = 87,773.13/x
  3. Step 3: Cross multiply
    152,339.51x = 210,230.70 × 87,773.13
  4. Step 4: Simplify right side
    152,339.51x = 18,452,606,561.09
  5. Step 5: Solve for x
    x = 18,452,606,561.09/152,339.51
  6. Step 6: Final answer
    x = 121,128.17

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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.