Home / 258,312.14-356,475.05-142,030.52

Finding the Fourth Proportional to 258,312.14, 356,475.05 and 142,030.52

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Solution

The fourth proportional to 258,312.14, 356,475.05 and 142,030.52 is: 196,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,312.14 : 356,475.05 = 142,030.52 : x
  2. Step 2: Convert to fraction form
    258,312.14/356,475.05 = 142,030.52/x
  3. Step 3: Cross multiply
    258,312.14x = 356,475.05 × 142,030.52
  4. Step 4: Simplify right side
    258,312.14x = 50,630,337,964.79
  5. Step 5: Solve for x
    x = 50,630,337,964.79/258,312.14
  6. Step 6: Final answer
    x = 196,004.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.