Home / 249,407.04-374,159.36-91,636.80

Finding the Fourth Proportional to 249,407.04, 374,159.36 and 91,636.80

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Solution

The fourth proportional to 249,407.04, 374,159.36 and 91,636.80 is: 137,473.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,407.04 : 374,159.36 = 91,636.80 : x
  2. Step 2: Convert to fraction form
    249,407.04/374,159.36 = 91,636.80/x
  3. Step 3: Cross multiply
    249,407.04x = 374,159.36 × 91,636.80
  4. Step 4: Simplify right side
    249,407.04x = 34,286,766,440.45
  5. Step 5: Solve for x
    x = 34,286,766,440.45/249,407.04
  6. Step 6: Final answer
    x = 137,473.13

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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.