Home / 249,131.79-373,516.65-99,327.15

Finding the Fourth Proportional to 249,131.79, 373,516.65 and 99,327.15

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Solution

The fourth proportional to 249,131.79, 373,516.65 and 99,327.15 is: 148,918.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,131.79 : 373,516.65 = 99,327.15 : x
  2. Step 2: Convert to fraction form
    249,131.79/373,516.65 = 99,327.15/x
  3. Step 3: Cross multiply
    249,131.79x = 373,516.65 × 99,327.15
  4. Step 4: Simplify right side
    249,131.79x = 37,100,344,322.05
  5. Step 5: Solve for x
    x = 37,100,344,322.05/249,131.79
  6. Step 6: Final answer
    x = 148,918.55

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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.