Home / 145,427.34-218,141.07-45,595.31

Finding the Fourth Proportional to 145,427.34, 218,141.07 and 45,595.31

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Solution

The fourth proportional to 145,427.34, 218,141.07 and 45,595.31 is: 68,392.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,427.34 : 218,141.07 = 45,595.31 : x
  2. Step 2: Convert to fraction form
    145,427.34/218,141.07 = 45,595.31/x
  3. Step 3: Cross multiply
    145,427.34x = 218,141.07 × 45,595.31
  4. Step 4: Simplify right side
    145,427.34x = 9,946,210,141.75
  5. Step 5: Solve for x
    x = 9,946,210,141.75/145,427.34
  6. Step 6: Final answer
    x = 68,392.99

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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.