Home / 90,136.86-124,347.51-58,316.10

Finding the Fourth Proportional to 90,136.86, 124,347.51 and 58,316.10

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Solution

The fourth proportional to 90,136.86, 124,347.51 and 58,316.10 is: 80,449.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,136.86 : 124,347.51 = 58,316.10 : x
  2. Step 2: Convert to fraction form
    90,136.86/124,347.51 = 58,316.10/x
  3. Step 3: Cross multiply
    90,136.86x = 124,347.51 × 58,316.10
  4. Step 4: Simplify right side
    90,136.86x = 7,251,461,827.91
  5. Step 5: Solve for x
    x = 7,251,461,827.91/90,136.86
  6. Step 6: Final answer
    x = 80,449.46

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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.