Home / 91,516.04-137,235.18-31,551.08

Finding the Fourth Proportional to 91,516.04, 137,235.18 and 31,551.08

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Solution

The fourth proportional to 91,516.04, 137,235.18 and 31,551.08 is: 47,313.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,516.04 : 137,235.18 = 31,551.08 : x
  2. Step 2: Convert to fraction form
    91,516.04/137,235.18 = 31,551.08/x
  3. Step 3: Cross multiply
    91,516.04x = 137,235.18 × 31,551.08
  4. Step 4: Simplify right side
    91,516.04x = 4,329,918,142.99
  5. Step 5: Solve for x
    x = 4,329,918,142.99/91,516.04
  6. Step 6: Final answer
    x = 47,313.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.