Home / 152,639.07-210,631.42-84,649.66

Finding the Fourth Proportional to 152,639.07, 210,631.42 and 84,649.66

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Solution

The fourth proportional to 152,639.07, 210,631.42 and 84,649.66 is: 116,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,639.07 : 210,631.42 = 84,649.66 : x
  2. Step 2: Convert to fraction form
    152,639.07/210,631.42 = 84,649.66/x
  3. Step 3: Cross multiply
    152,639.07x = 210,631.42 × 84,649.66
  4. Step 4: Simplify right side
    152,639.07x = 17,829,877,667.55
  5. Step 5: Solve for x
    x = 17,829,877,667.55/152,639.07
  6. Step 6: Final answer
    x = 116,810.71

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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.