Home / 137,572.04-189,779.54-89,853.32

Finding the Fourth Proportional to 137,572.04, 189,779.54 and 89,853.32

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Solution

The fourth proportional to 137,572.04, 189,779.54 and 89,853.32 is: 123,951.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,572.04 : 189,779.54 = 89,853.32 : x
  2. Step 2: Convert to fraction form
    137,572.04/189,779.54 = 89,853.32/x
  3. Step 3: Cross multiply
    137,572.04x = 189,779.54 × 89,853.32
  4. Step 4: Simplify right side
    137,572.04x = 17,052,321,737.07
  5. Step 5: Solve for x
    x = 17,052,321,737.07/137,572.04
  6. Step 6: Final answer
    x = 123,951.94

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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.