Home / 245,875.18-339,303.98-138,444.88

Finding the Fourth Proportional to 245,875.18, 339,303.98 and 138,444.88

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Solution

The fourth proportional to 245,875.18, 339,303.98 and 138,444.88 is: 191,051.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,875.18 : 339,303.98 = 138,444.88 : x
  2. Step 2: Convert to fraction form
    245,875.18/339,303.98 = 138,444.88/x
  3. Step 3: Cross multiply
    245,875.18x = 339,303.98 × 138,444.88
  4. Step 4: Simplify right side
    245,875.18x = 46,974,898,794.62
  5. Step 5: Solve for x
    x = 46,974,898,794.62/245,875.18
  6. Step 6: Final answer
    x = 191,051.81

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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.