Home / 99,104.19-148,678.98-42,953.70

Finding the Fourth Proportional to 99,104.19, 148,678.98 and 42,953.70

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Solution

The fourth proportional to 99,104.19, 148,678.98 and 42,953.70 is: 64,440.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,104.19 : 148,678.98 = 42,953.70 : x
  2. Step 2: Convert to fraction form
    99,104.19/148,678.98 = 42,953.70/x
  3. Step 3: Cross multiply
    99,104.19x = 148,678.98 × 42,953.70
  4. Step 4: Simplify right side
    99,104.19x = 6,386,312,303.23
  5. Step 5: Solve for x
    x = 6,386,312,303.23/99,104.19
  6. Step 6: Final answer
    x = 64,440.39

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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.