Home / 145,637.01-218,453.67-79,498.49

Finding the Fourth Proportional to 145,637.01, 218,453.67 and 79,498.49

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Solution

The fourth proportional to 145,637.01, 218,453.67 and 79,498.49 is: 119,246.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,637.01 : 218,453.67 = 79,498.49 : x
  2. Step 2: Convert to fraction form
    145,637.01/218,453.67 = 79,498.49/x
  3. Step 3: Cross multiply
    145,637.01x = 218,453.67 × 79,498.49
  4. Step 4: Simplify right side
    145,637.01x = 17,366,735,807.69
  5. Step 5: Solve for x
    x = 17,366,735,807.69/145,637.01
  6. Step 6: Final answer
    x = 119,246.72

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1.5x scale

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.