Home / 249,666.40-374,499.60-99,929.80

Finding the Fourth Proportional to 249,666.40, 374,499.60 and 99,929.80

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Solution

The fourth proportional to 249,666.40, 374,499.60 and 99,929.80 is: 149,894.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,666.40 : 374,499.60 = 99,929.80 : x
  2. Step 2: Convert to fraction form
    249,666.40/374,499.60 = 99,929.80/x
  3. Step 3: Cross multiply
    249,666.40x = 374,499.60 × 99,929.80
  4. Step 4: Simplify right side
    249,666.40x = 37,423,670,128.08
  5. Step 5: Solve for x
    x = 37,423,670,128.08/249,666.40
  6. Step 6: Final answer
    x = 149,894.70

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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.