Home / 253,073.04-349,227.09-139,888.50

Finding the Fourth Proportional to 253,073.04, 349,227.09 and 139,888.50

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Solution

The fourth proportional to 253,073.04, 349,227.09 and 139,888.50 is: 193,038.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,073.04 : 349,227.09 = 139,888.50 : x
  2. Step 2: Convert to fraction form
    253,073.04/349,227.09 = 139,888.50/x
  3. Step 3: Cross multiply
    253,073.04x = 349,227.09 × 139,888.50
  4. Step 4: Simplify right side
    253,073.04x = 48,852,853,779.47
  5. Step 5: Solve for x
    x = 48,852,853,779.47/253,073.04
  6. Step 6: Final answer
    x = 193,038.55

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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.