Home / 142,527.39-213,730.93-42,701.77

Finding the Fourth Proportional to 142,527.39, 213,730.93 and 42,701.77

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Solution

The fourth proportional to 142,527.39, 213,730.93 and 42,701.77 is: 64,034.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,527.39 : 213,730.93 = 42,701.77 : x
  2. Step 2: Convert to fraction form
    142,527.39/213,730.93 = 42,701.77/x
  3. Step 3: Cross multiply
    142,527.39x = 213,730.93 × 42,701.77
  4. Step 4: Simplify right side
    142,527.39x = 9,126,689,014.75
  5. Step 5: Solve for x
    x = 9,126,689,014.75/142,527.39
  6. Step 6: Final answer
    x = 64,034.63

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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.