Home / 162,345.28-224,062.08-98,703.04

Finding the Fourth Proportional to 162,345.28, 224,062.08 and 98,703.04

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Solution

The fourth proportional to 162,345.28, 224,062.08 and 98,703.04 is: 136,225.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,345.28 : 224,062.08 = 98,703.04 : x
  2. Step 2: Convert to fraction form
    162,345.28/224,062.08 = 98,703.04/x
  3. Step 3: Cross multiply
    162,345.28x = 224,062.08 × 98,703.04
  4. Step 4: Simplify right side
    162,345.28x = 22,115,608,444.72
  5. Step 5: Solve for x
    x = 22,115,608,444.72/162,345.28
  6. Step 6: Final answer
    x = 136,225.76

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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.