Home / 121,490.02-182,247.99-51,376.42

Finding the Fourth Proportional to 121,490.02, 182,247.99 and 51,376.42

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Solution

The fourth proportional to 121,490.02, 182,247.99 and 51,376.42 is: 77,070.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,490.02 : 182,247.99 = 51,376.42 : x
  2. Step 2: Convert to fraction form
    121,490.02/182,247.99 = 51,376.42/x
  3. Step 3: Cross multiply
    121,490.02x = 182,247.99 × 51,376.42
  4. Step 4: Simplify right side
    121,490.02x = 9,363,249,278.40
  5. Step 5: Solve for x
    x = 9,363,249,278.40/121,490.02
  6. Step 6: Final answer
    x = 77,070.11

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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.