Home / 105,450.60-145,531.76-63,008.24

Finding the Fourth Proportional to 105,450.60, 145,531.76 and 63,008.24

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Solution

The fourth proportional to 105,450.60, 145,531.76 and 63,008.24 is: 86,957.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,450.60 : 145,531.76 = 63,008.24 : x
  2. Step 2: Convert to fraction form
    105,450.60/145,531.76 = 63,008.24/x
  3. Step 3: Cross multiply
    105,450.60x = 145,531.76 × 63,008.24
  4. Step 4: Simplify right side
    105,450.60x = 9,169,700,061.70
  5. Step 5: Solve for x
    x = 9,169,700,061.70/105,450.60
  6. Step 6: Final answer
    x = 86,957.31

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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.