Home / 166,424.90-249,637.35-103,439.30

Finding the Fourth Proportional to 166,424.90, 249,637.35 and 103,439.30

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Solution

The fourth proportional to 166,424.90, 249,637.35 and 103,439.30 is: 155,158.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,424.90 : 249,637.35 = 103,439.30 : x
  2. Step 2: Convert to fraction form
    166,424.90/249,637.35 = 103,439.30/x
  3. Step 3: Cross multiply
    166,424.90x = 249,637.35 × 103,439.30
  4. Step 4: Simplify right side
    166,424.90x = 25,822,312,737.86
  5. Step 5: Solve for x
    x = 25,822,312,737.86/166,424.90
  6. Step 6: Final answer
    x = 155,158.95

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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.