Home / 249,779.16-374,583.69-81,257.58

Finding the Fourth Proportional to 249,779.16, 374,583.69 and 81,257.58

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Solution

The fourth proportional to 249,779.16, 374,583.69 and 81,257.58 is: 121,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,779.16 : 374,583.69 = 81,257.58 : x
  2. Step 2: Convert to fraction form
    249,779.16/374,583.69 = 81,257.58/x
  3. Step 3: Cross multiply
    249,779.16x = 374,583.69 × 81,257.58
  4. Step 4: Simplify right side
    249,779.16x = 30,437,764,156.87
  5. Step 5: Solve for x
    x = 30,437,764,156.87/249,779.16
  6. Step 6: Final answer
    x = 121,858.70

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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.