Home / 166,411.90-249,617.85-103,426.30

Finding the Fourth Proportional to 166,411.90, 249,617.85 and 103,426.30

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Solution

The fourth proportional to 166,411.90, 249,617.85 and 103,426.30 is: 155,139.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,411.90 : 249,617.85 = 103,426.30 : x
  2. Step 2: Convert to fraction form
    166,411.90/249,617.85 = 103,426.30/x
  3. Step 3: Cross multiply
    166,411.90x = 249,617.85 × 103,426.30
  4. Step 4: Simplify right side
    166,411.90x = 25,817,050,639.46
  5. Step 5: Solve for x
    x = 25,817,050,639.46/166,411.90
  6. Step 6: Final answer
    x = 155,139.45

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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.