Home / 151,155.81-208,508.40-94,468.77

Finding the Fourth Proportional to 151,155.81, 208,508.40 and 94,468.77

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Solution

The fourth proportional to 151,155.81, 208,508.40 and 94,468.77 is: 130,312.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,155.81 : 208,508.40 = 94,468.77 : x
  2. Step 2: Convert to fraction form
    151,155.81/208,508.40 = 94,468.77/x
  3. Step 3: Cross multiply
    151,155.81x = 208,508.40 × 94,468.77
  4. Step 4: Simplify right side
    151,155.81x = 19,697,532,082.67
  5. Step 5: Solve for x
    x = 19,697,532,082.67/151,155.81
  6. Step 6: Final answer
    x = 130,312.77

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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.