Home / 249,820.40-344,760.36-136,643.16

Finding the Fourth Proportional to 249,820.40, 344,760.36 and 136,643.16

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Solution

The fourth proportional to 249,820.40, 344,760.36 and 136,643.16 is: 188,572.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,820.40 : 344,760.36 = 136,643.16 : x
  2. Step 2: Convert to fraction form
    249,820.40/344,760.36 = 136,643.16/x
  3. Step 3: Cross multiply
    249,820.40x = 344,760.36 × 136,643.16
  4. Step 4: Simplify right side
    249,820.40x = 47,109,145,033.14
  5. Step 5: Solve for x
    x = 47,109,145,033.14/249,820.40
  6. Step 6: Final answer
    x = 188,572.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.