Home / 152,531.48-210,501.17-87,976.71

Finding the Fourth Proportional to 152,531.48, 210,501.17 and 87,976.71

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Solution

The fourth proportional to 152,531.48, 210,501.17 and 87,976.71 is: 121,412.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,531.48 : 210,501.17 = 87,976.71 : x
  2. Step 2: Convert to fraction form
    152,531.48/210,501.17 = 87,976.71/x
  3. Step 3: Cross multiply
    152,531.48x = 210,501.17 × 87,976.71
  4. Step 4: Simplify right side
    152,531.48x = 18,519,200,387.75
  5. Step 5: Solve for x
    x = 18,519,200,387.75/152,531.48
  6. Step 6: Final answer
    x = 121,412.32

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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.