Home / 99,106.06-148,681.80-42,955.60

Finding the Fourth Proportional to 99,106.06, 148,681.80 and 42,955.60

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Solution

The fourth proportional to 99,106.06, 148,681.80 and 42,955.60 is: 64,443.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,106.06 : 148,681.80 = 42,955.60 : x
  2. Step 2: Convert to fraction form
    99,106.06/148,681.80 = 42,955.60/x
  3. Step 3: Cross multiply
    99,106.06x = 148,681.80 × 42,955.60
  4. Step 4: Simplify right side
    99,106.06x = 6,386,715,928.08
  5. Step 5: Solve for x
    x = 6,386,715,928.08/99,106.06
  6. Step 6: Final answer
    x = 64,443.24

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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.