Home / 135,810.76-187,417.36-75,381.93

Finding the Fourth Proportional to 135,810.76, 187,417.36 and 75,381.93

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Solution

The fourth proportional to 135,810.76, 187,417.36 and 75,381.93 is: 104,026.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,810.76 : 187,417.36 = 75,381.93 : x
  2. Step 2: Convert to fraction form
    135,810.76/187,417.36 = 75,381.93/x
  3. Step 3: Cross multiply
    135,810.76x = 187,417.36 × 75,381.93
  4. Step 4: Simplify right side
    135,810.76x = 14,127,882,312.30
  5. Step 5: Solve for x
    x = 14,127,882,312.30/135,810.76
  6. Step 6: Final answer
    x = 104,026.24

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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.