Home / 113,275.67-169,815.08-66,430.13

Finding the Fourth Proportional to 113,275.67, 169,815.08 and 66,430.13

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Solution

The fourth proportional to 113,275.67, 169,815.08 and 66,430.13 is: 99,587.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,275.67 : 169,815.08 = 66,430.13 : x
  2. Step 2: Convert to fraction form
    113,275.67/169,815.08 = 66,430.13/x
  3. Step 3: Cross multiply
    113,275.67x = 169,815.08 × 66,430.13
  4. Step 4: Simplify right side
    113,275.67x = 11,280,837,157.36
  5. Step 5: Solve for x
    x = 11,280,837,157.36/113,275.67
  6. Step 6: Final answer
    x = 99,587.47

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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.