Home / 90,130.86-124,395.75-52,426.98

Finding the Fourth Proportional to 90,130.86, 124,395.75 and 52,426.98

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Solution

The fourth proportional to 90,130.86, 124,395.75 and 52,426.98 is: 72,358.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,130.86 : 124,395.75 = 52,426.98 : x
  2. Step 2: Convert to fraction form
    90,130.86/124,395.75 = 52,426.98/x
  3. Step 3: Cross multiply
    90,130.86x = 124,395.75 × 52,426.98
  4. Step 4: Simplify right side
    90,130.86x = 6,521,693,497.34
  5. Step 5: Solve for x
    x = 6,521,693,497.34/90,130.86
  6. Step 6: Final answer
    x = 72,358.05

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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.