Home / 142,423.03-213,632.65-42,584.05

Finding the Fourth Proportional to 142,423.03, 213,632.65 and 42,584.05

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Solution

The fourth proportional to 142,423.03, 213,632.65 and 42,584.05 is: 63,875.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,423.03 : 213,632.65 = 42,584.05 : x
  2. Step 2: Convert to fraction form
    142,423.03/213,632.65 = 42,584.05/x
  3. Step 3: Cross multiply
    142,423.03x = 213,632.65 × 42,584.05
  4. Step 4: Simplify right side
    142,423.03x = 9,097,343,449.23
  5. Step 5: Solve for x
    x = 9,097,343,449.23/142,423.03
  6. Step 6: Final answer
    x = 63,875.51

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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.