Home / 249,644.80-374,521.24-72,136.92

Finding the Fourth Proportional to 249,644.80, 374,521.24 and 72,136.92

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Solution

The fourth proportional to 249,644.80, 374,521.24 and 72,136.92 is: 108,221.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,644.80 : 374,521.24 = 72,136.92 : x
  2. Step 2: Convert to fraction form
    249,644.80/374,521.24 = 72,136.92/x
  3. Step 3: Cross multiply
    249,644.80x = 374,521.24 × 72,136.92
  4. Step 4: Simplify right side
    249,644.80x = 27,016,808,728.18
  5. Step 5: Solve for x
    x = 27,016,808,728.18/249,644.80
  6. Step 6: Final answer
    x = 108,221.00

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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.