Home / 242,555.71-334,712.30-135,106.58

Finding the Fourth Proportional to 242,555.71, 334,712.30 and 135,106.58

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Solution

The fourth proportional to 242,555.71, 334,712.30 and 135,106.58 is: 186,438.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,555.71 : 334,712.30 = 135,106.58 : x
  2. Step 2: Convert to fraction form
    242,555.71/334,712.30 = 135,106.58/x
  3. Step 3: Cross multiply
    242,555.71x = 334,712.30 × 135,106.58
  4. Step 4: Simplify right side
    242,555.71x = 45,221,834,136.93
  5. Step 5: Solve for x
    x = 45,221,834,136.93/242,555.71
  6. Step 6: Final answer
    x = 186,438.96

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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.