Home / 112,242.90-168,597.63-89,031.54

Finding the Fourth Proportional to 112,242.90, 168,597.63 and 89,031.54

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Solution

The fourth proportional to 112,242.90, 168,597.63 and 89,031.54 is: 133,732.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,242.90 : 168,597.63 = 89,031.54 : x
  2. Step 2: Convert to fraction form
    112,242.90/168,597.63 = 89,031.54/x
  3. Step 3: Cross multiply
    112,242.90x = 168,597.63 × 89,031.54
  4. Step 4: Simplify right side
    112,242.90x = 15,010,506,639.25
  5. Step 5: Solve for x
    x = 15,010,506,639.25/112,242.90
  6. Step 6: Final answer
    x = 133,732.35

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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.