Home / 145,351.90-218,070.23-89,228.01

Finding the Fourth Proportional to 145,351.90, 218,070.23 and 89,228.01

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Solution

The fourth proportional to 145,351.90, 218,070.23 and 89,228.01 is: 133,868.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,351.90 : 218,070.23 = 89,228.01 : x
  2. Step 2: Convert to fraction form
    145,351.90/218,070.23 = 89,228.01/x
  3. Step 3: Cross multiply
    145,351.90x = 218,070.23 × 89,228.01
  4. Step 4: Simplify right side
    145,351.90x = 19,457,973,034.77
  5. Step 5: Solve for x
    x = 19,457,973,034.77/145,351.90
  6. Step 6: Final answer
    x = 133,868.03

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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.