Home / 249,124.80-373,460.40-91,315.20

Finding the Fourth Proportional to 249,124.80, 373,460.40 and 91,315.20

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Solution

The fourth proportional to 249,124.80, 373,460.40 and 91,315.20 is: 136,889.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,124.80 : 373,460.40 = 91,315.20 : x
  2. Step 2: Convert to fraction form
    249,124.80/373,460.40 = 91,315.20/x
  3. Step 3: Cross multiply
    249,124.80x = 373,460.40 × 91,315.20
  4. Step 4: Simplify right side
    249,124.80x = 34,102,611,118.08
  5. Step 5: Solve for x
    x = 34,102,611,118.08/249,124.80
  6. Step 6: Final answer
    x = 136,889.67

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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.