Home / 142,703.10-213,900.14-92,818.85

Finding the Fourth Proportional to 142,703.10, 213,900.14 and 92,818.85

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Solution

The fourth proportional to 142,703.10, 213,900.14 and 92,818.85 is: 139,127.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,703.10 : 213,900.14 = 92,818.85 : x
  2. Step 2: Convert to fraction form
    142,703.10/213,900.14 = 92,818.85/x
  3. Step 3: Cross multiply
    142,703.10x = 213,900.14 × 92,818.85
  4. Step 4: Simplify right side
    142,703.10x = 19,853,964,172.19
  5. Step 5: Solve for x
    x = 19,853,964,172.19/142,703.10
  6. Step 6: Final answer
    x = 139,127.77

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1.5x scale

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.