Home / 145,767.75-218,298.98-70,702.02

Finding the Fourth Proportional to 145,767.75, 218,298.98 and 70,702.02

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Solution

The fourth proportional to 145,767.75, 218,298.98 and 70,702.02 is: 105,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,767.75 : 218,298.98 = 70,702.02 : x
  2. Step 2: Convert to fraction form
    145,767.75/218,298.98 = 70,702.02/x
  3. Step 3: Cross multiply
    145,767.75x = 218,298.98 × 70,702.02
  4. Step 4: Simplify right side
    145,767.75x = 15,434,178,496.43
  5. Step 5: Solve for x
    x = 15,434,178,496.43/145,767.75
  6. Step 6: Final answer
    x = 105,881.98

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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.