Home / 124,574.02-171,909.75-67,985.80

Finding the Fourth Proportional to 124,574.02, 171,909.75 and 67,985.80

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Solution

The fourth proportional to 124,574.02, 171,909.75 and 67,985.80 is: 93,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,574.02 : 171,909.75 = 67,985.80 : x
  2. Step 2: Convert to fraction form
    124,574.02/171,909.75 = 67,985.80/x
  3. Step 3: Cross multiply
    124,574.02x = 171,909.75 × 67,985.80
  4. Step 4: Simplify right side
    124,574.02x = 11,687,421,881.55
  5. Step 5: Solve for x
    x = 11,687,421,881.55/124,574.02
  6. Step 6: Final answer
    x = 93,819.10

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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.