Home / 249,931.86-344,906.55-136,761.90

Finding the Fourth Proportional to 249,931.86, 344,906.55 and 136,761.90

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Solution

The fourth proportional to 249,931.86, 344,906.55 and 136,761.90 is: 188,731.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,931.86 : 344,906.55 = 136,761.90 : x
  2. Step 2: Convert to fraction form
    249,931.86/344,906.55 = 136,761.90/x
  3. Step 3: Cross multiply
    249,931.86x = 344,906.55 × 136,761.90
  4. Step 4: Simplify right side
    249,931.86x = 47,170,075,100.45
  5. Step 5: Solve for x
    x = 47,170,075,100.45/249,931.86
  6. Step 6: Final answer
    x = 188,731.74

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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.