Home / 136,875.27-188,885.84-76,446.93

Finding the Fourth Proportional to 136,875.27, 188,885.84 and 76,446.93

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Solution

The fourth proportional to 136,875.27, 188,885.84 and 76,446.93 is: 105,495.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,875.27 : 188,885.84 = 76,446.93 : x
  2. Step 2: Convert to fraction form
    136,875.27/188,885.84 = 76,446.93/x
  3. Step 3: Cross multiply
    136,875.27x = 188,885.84 × 76,446.93
  4. Step 4: Simplify right side
    136,875.27x = 14,439,742,206.24
  5. Step 5: Solve for x
    x = 14,439,742,206.24/136,875.27
  6. Step 6: Final answer
    x = 105,495.63

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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.