Home / 249,848.19-374,798.54-81,381.65

Finding the Fourth Proportional to 249,848.19, 374,798.54 and 81,381.65

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Solution

The fourth proportional to 249,848.19, 374,798.54 and 81,381.65 is: 122,081.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,848.19 : 374,798.54 = 81,381.65 : x
  2. Step 2: Convert to fraction form
    249,848.19/374,798.54 = 81,381.65/x
  3. Step 3: Cross multiply
    249,848.19x = 374,798.54 × 81,381.65
  4. Step 4: Simplify right side
    249,848.19x = 30,501,723,602.79
  5. Step 5: Solve for x
    x = 30,501,723,602.79/249,848.19
  6. Step 6: Final answer
    x = 122,081.03

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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.