Home / 249,623.60-373,657.80-144,129.20

Finding the Fourth Proportional to 249,623.60, 373,657.80 and 144,129.20

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Solution

The fourth proportional to 249,623.60, 373,657.80 and 144,129.20 is: 215,744.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,623.60 : 373,657.80 = 144,129.20 : x
  2. Step 2: Convert to fraction form
    249,623.60/373,657.80 = 144,129.20/x
  3. Step 3: Cross multiply
    249,623.60x = 373,657.80 × 144,129.20
  4. Step 4: Simplify right side
    249,623.60x = 53,854,999,787.76
  5. Step 5: Solve for x
    x = 53,854,999,787.76/249,623.60
  6. Step 6: Final answer
    x = 215,744.82

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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.