Home / 137,195.34-189,073.10-98,888.66

Finding the Fourth Proportional to 137,195.34, 189,073.10 and 98,888.66

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Solution

The fourth proportional to 137,195.34, 189,073.10 and 98,888.66 is: 136,281.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,195.34 : 189,073.10 = 98,888.66 : x
  2. Step 2: Convert to fraction form
    137,195.34/189,073.10 = 98,888.66/x
  3. Step 3: Cross multiply
    137,195.34x = 189,073.10 × 98,888.66
  4. Step 4: Simplify right side
    137,195.34x = 18,697,186,575.46
  5. Step 5: Solve for x
    x = 18,697,186,575.46/137,195.34
  6. Step 6: Final answer
    x = 136,281.50

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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.