Home / 142,006.10-213,053.34-42,166.80

Finding the Fourth Proportional to 142,006.10, 213,053.34 and 42,166.80

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Solution

The fourth proportional to 142,006.10, 213,053.34 and 42,166.80 is: 63,263.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,006.10 : 213,053.34 = 42,166.80 : x
  2. Step 2: Convert to fraction form
    142,006.10/213,053.34 = 42,166.80/x
  3. Step 3: Cross multiply
    142,006.10x = 213,053.34 × 42,166.80
  4. Step 4: Simplify right side
    142,006.10x = 8,983,777,577.11
  5. Step 5: Solve for x
    x = 8,983,777,577.11/142,006.10
  6. Step 6: Final answer
    x = 63,263.32

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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.