Home / 99,498.02-137,398.50-63,211.19

Finding the Fourth Proportional to 99,498.02, 137,398.50 and 63,211.19

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Solution

The fourth proportional to 99,498.02, 137,398.50 and 63,211.19 is: 87,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,498.02 : 137,398.50 = 63,211.19 : x
  2. Step 2: Convert to fraction form
    99,498.02/137,398.50 = 63,211.19/x
  3. Step 3: Cross multiply
    99,498.02x = 137,398.50 × 63,211.19
  4. Step 4: Simplify right side
    99,498.02x = 8,685,122,002.22
  5. Step 5: Solve for x
    x = 8,685,122,002.22/99,498.02
  6. Step 6: Final answer
    x = 87,289.40

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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.