Home / 102,430.71-153,506.75-60,330.15

Finding the Fourth Proportional to 102,430.71, 153,506.75 and 60,330.15

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Solution

The fourth proportional to 102,430.71, 153,506.75 and 60,330.15 is: 90,413.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,430.71 : 153,506.75 = 60,330.15 : x
  2. Step 2: Convert to fraction form
    102,430.71/153,506.75 = 60,330.15/x
  3. Step 3: Cross multiply
    102,430.71x = 153,506.75 × 60,330.15
  4. Step 4: Simplify right side
    102,430.71x = 9,261,084,951.86
  5. Step 5: Solve for x
    x = 9,261,084,951.86/102,430.71
  6. Step 6: Final answer
    x = 90,413.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.