Home / 121,525.10-182,287.65-42,647.30

Finding the Fourth Proportional to 121,525.10, 182,287.65 and 42,647.30

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Solution

The fourth proportional to 121,525.10, 182,287.65 and 42,647.30 is: 63,970.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,525.10 : 182,287.65 = 42,647.30 : x
  2. Step 2: Convert to fraction form
    121,525.10/182,287.65 = 42,647.30/x
  3. Step 3: Cross multiply
    121,525.10x = 182,287.65 × 42,647.30
  4. Step 4: Simplify right side
    121,525.10x = 7,774,076,095.85
  5. Step 5: Solve for x
    x = 7,774,076,095.85/121,525.10
  6. Step 6: Final answer
    x = 63,970.95

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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.