Home / 242,854.86-335,145.60-135,423.84

Finding the Fourth Proportional to 242,854.86, 335,145.60 and 135,423.84

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Solution

The fourth proportional to 242,854.86, 335,145.60 and 135,423.84 is: 186,888.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,854.86 : 335,145.60 = 135,423.84 : x
  2. Step 2: Convert to fraction form
    242,854.86/335,145.60 = 135,423.84/x
  3. Step 3: Cross multiply
    242,854.86x = 335,145.60 × 135,423.84
  4. Step 4: Simplify right side
    242,854.86x = 45,386,704,111.10
  5. Step 5: Solve for x
    x = 45,386,704,111.10/242,854.86
  6. Step 6: Final answer
    x = 186,888.19

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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.