Home / 180,612.18-249,258.87-100,047.35

Finding the Fourth Proportional to 180,612.18, 249,258.87 and 100,047.35

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Solution

The fourth proportional to 180,612.18, 249,258.87 and 100,047.35 is: 138,073.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,612.18 : 249,258.87 = 100,047.35 : x
  2. Step 2: Convert to fraction form
    180,612.18/249,258.87 = 100,047.35/x
  3. Step 3: Cross multiply
    180,612.18x = 249,258.87 × 100,047.35
  4. Step 4: Simplify right side
    180,612.18x = 24,937,690,030.64
  5. Step 5: Solve for x
    x = 24,937,690,030.64/180,612.18
  6. Step 6: Final answer
    x = 138,073.14

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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.