Home / 117,437.06-176,155.12-42,539.68

Finding the Fourth Proportional to 117,437.06, 176,155.12 and 42,539.68

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Solution

The fourth proportional to 117,437.06, 176,155.12 and 42,539.68 is: 63,809.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,437.06 : 176,155.12 = 42,539.68 : x
  2. Step 2: Convert to fraction form
    117,437.06/176,155.12 = 42,539.68/x
  3. Step 3: Cross multiply
    117,437.06x = 176,155.12 × 42,539.68
  4. Step 4: Simplify right side
    117,437.06x = 7,493,581,888.42
  5. Step 5: Solve for x
    x = 7,493,581,888.42/117,437.06
  6. Step 6: Final answer
    x = 63,809.34

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1.5x scale

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.