Home / 112,630.50-155,430.09-62,332.74

Finding the Fourth Proportional to 112,630.50, 155,430.09 and 62,332.74

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Solution

The fourth proportional to 112,630.50, 155,430.09 and 62,332.74 is: 86,019.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,630.50 : 155,430.09 = 62,332.74 : x
  2. Step 2: Convert to fraction form
    112,630.50/155,430.09 = 62,332.74/x
  3. Step 3: Cross multiply
    112,630.50x = 155,430.09 × 62,332.74
  4. Step 4: Simplify right side
    112,630.50x = 9,688,383,388.15
  5. Step 5: Solve for x
    x = 9,688,383,388.15/112,630.50
  6. Step 6: Final answer
    x = 86,019.18

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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.