Home / 180,984.56-249,753.93-99,312.56

Finding the Fourth Proportional to 180,984.56, 249,753.93 and 99,312.56

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Solution

The fourth proportional to 180,984.56, 249,753.93 and 99,312.56 is: 137,048.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,984.56 : 249,753.93 = 99,312.56 : x
  2. Step 2: Convert to fraction form
    180,984.56/249,753.93 = 99,312.56/x
  3. Step 3: Cross multiply
    180,984.56x = 249,753.93 × 99,312.56
  4. Step 4: Simplify right side
    180,984.56x = 24,803,701,473.75
  5. Step 5: Solve for x
    x = 24,803,701,473.75/180,984.56
  6. Step 6: Final answer
    x = 137,048.72

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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.