Home / 145,117.13-217,417.88-123,841.26

Finding the Fourth Proportional to 145,117.13, 217,417.88 and 123,841.26

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Solution

The fourth proportional to 145,117.13, 217,417.88 and 123,841.26 is: 185,541.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,117.13 : 217,417.88 = 123,841.26 : x
  2. Step 2: Convert to fraction form
    145,117.13/217,417.88 = 123,841.26/x
  3. Step 3: Cross multiply
    145,117.13x = 217,417.88 × 123,841.26
  4. Step 4: Simplify right side
    145,117.13x = 26,925,303,586.52
  5. Step 5: Solve for x
    x = 26,925,303,586.52/145,117.13
  6. Step 6: Final answer
    x = 185,541.88

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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.