Home / 142,104.24-213,111.95-47,312.28

Finding the Fourth Proportional to 142,104.24, 213,111.95 and 47,312.28

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Solution

The fourth proportional to 142,104.24, 213,111.95 and 47,312.28 is: 70,953.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,104.24 : 213,111.95 = 47,312.28 : x
  2. Step 2: Convert to fraction form
    142,104.24/213,111.95 = 47,312.28/x
  3. Step 3: Cross multiply
    142,104.24x = 213,111.95 × 47,312.28
  4. Step 4: Simplify right side
    142,104.24x = 10,082,812,013.18
  5. Step 5: Solve for x
    x = 10,082,812,013.18/142,104.24
  6. Step 6: Final answer
    x = 70,953.63

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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.