Home / 180,470.05-249,045.64-99,895.84

Finding the Fourth Proportional to 180,470.05, 249,045.64 and 99,895.84

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Solution

The fourth proportional to 180,470.05, 249,045.64 and 99,895.84 is: 137,854.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,470.05 : 249,045.64 = 99,895.84 : x
  2. Step 2: Convert to fraction form
    180,470.05/249,045.64 = 99,895.84/x
  3. Step 3: Cross multiply
    180,470.05x = 249,045.64 × 99,895.84
  4. Step 4: Simplify right side
    180,470.05x = 24,878,623,095.70
  5. Step 5: Solve for x
    x = 24,878,623,095.70/180,470.05
  6. Step 6: Final answer
    x = 137,854.58

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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.