Home / 454,564.29-681,737.08-139,023.93

Finding the Fourth Proportional to 454,564.29, 681,737.08 and 139,023.93

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Solution

The fourth proportional to 454,564.29, 681,737.08 and 139,023.93 is: 208,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,564.29 : 681,737.08 = 139,023.93 : x
  2. Step 2: Convert to fraction form
    454,564.29/681,737.08 = 139,023.93/x
  3. Step 3: Cross multiply
    454,564.29x = 681,737.08 × 139,023.93
  4. Step 4: Simplify right side
    454,564.29x = 94,777,767,393.20
  5. Step 5: Solve for x
    x = 94,777,767,393.20/454,564.29
  6. Step 6: Final answer
    x = 208,502.45

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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.