Home / 186,001.65-278,510.40-146,307.60

Finding the Fourth Proportional to 186,001.65, 278,510.40 and 146,307.60

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Solution

The fourth proportional to 186,001.65, 278,510.40 and 146,307.60 is: 219,074.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,001.65 : 278,510.40 = 146,307.60 : x
  2. Step 2: Convert to fraction form
    186,001.65/278,510.40 = 146,307.60/x
  3. Step 3: Cross multiply
    186,001.65x = 278,510.40 × 146,307.60
  4. Step 4: Simplify right side
    186,001.65x = 40,748,188,199.04
  5. Step 5: Solve for x
    x = 40,748,188,199.04/186,001.65
  6. Step 6: Final answer
    x = 219,074.34

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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.