Home / 142,050.04-213,038.20-42,186.76

Finding the Fourth Proportional to 142,050.04, 213,038.20 and 42,186.76

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Solution

The fourth proportional to 142,050.04, 213,038.20 and 42,186.76 is: 63,269.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,050.04 : 213,038.20 = 42,186.76 : x
  2. Step 2: Convert to fraction form
    142,050.04/213,038.20 = 42,186.76/x
  3. Step 3: Cross multiply
    142,050.04x = 213,038.20 × 42,186.76
  4. Step 4: Simplify right side
    142,050.04x = 8,987,390,138.11
  5. Step 5: Solve for x
    x = 8,987,390,138.11/142,050.04
  6. Step 6: Final answer
    x = 63,269.19

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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.