Home / 136,369.95-204,587.12-42,875.70

Finding the Fourth Proportional to 136,369.95, 204,587.12 and 42,875.70

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Solution

The fourth proportional to 136,369.95, 204,587.12 and 42,875.70 is: 64,323.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,369.95 : 204,587.12 = 42,875.70 : x
  2. Step 2: Convert to fraction form
    136,369.95/204,587.12 = 42,875.70/x
  3. Step 3: Cross multiply
    136,369.95x = 204,587.12 × 42,875.70
  4. Step 4: Simplify right side
    136,369.95x = 8,771,815,980.98
  5. Step 5: Solve for x
    x = 8,771,815,980.98/136,369.95
  6. Step 6: Final answer
    x = 64,323.67

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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.