Home / 249,741.54-344,638.08-136,564.20

Finding the Fourth Proportional to 249,741.54, 344,638.08 and 136,564.20

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Solution

The fourth proportional to 249,741.54, 344,638.08 and 136,564.20 is: 188,455.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,741.54 : 344,638.08 = 136,564.20 : x
  2. Step 2: Convert to fraction form
    249,741.54/344,638.08 = 136,564.20/x
  3. Step 3: Cross multiply
    249,741.54x = 344,638.08 × 136,564.20
  4. Step 4: Simplify right side
    249,741.54x = 47,065,223,684.74
  5. Step 5: Solve for x
    x = 47,065,223,684.74/249,741.54
  6. Step 6: Final answer
    x = 188,455.73

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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.