Home / 249,929.64-344,926.62-136,769.40

Finding the Fourth Proportional to 249,929.64, 344,926.62 and 136,769.40

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Solution

The fourth proportional to 249,929.64, 344,926.62 and 136,769.40 is: 188,754.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,929.64 : 344,926.62 = 136,769.40 : x
  2. Step 2: Convert to fraction form
    249,929.64/344,926.62 = 136,769.40/x
  3. Step 3: Cross multiply
    249,929.64x = 344,926.62 × 136,769.40
  4. Step 4: Simplify right side
    249,929.64x = 47,175,406,861.43
  5. Step 5: Solve for x
    x = 47,175,406,861.43/249,929.64
  6. Step 6: Final answer
    x = 188,754.75

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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.