Home / 249,709.07-374,567.06-81,230.28

Finding the Fourth Proportional to 249,709.07, 374,567.06 and 81,230.28

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Solution

The fourth proportional to 249,709.07, 374,567.06 and 81,230.28 is: 121,846.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,709.07 : 374,567.06 = 81,230.28 : x
  2. Step 2: Convert to fraction form
    249,709.07/374,567.06 = 81,230.28/x
  3. Step 3: Cross multiply
    249,709.07x = 374,567.06 × 81,230.28
  4. Step 4: Simplify right side
    249,709.07x = 30,426,185,961.03
  5. Step 5: Solve for x
    x = 30,426,185,961.03/249,709.07
  6. Step 6: Final answer
    x = 121,846.54

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1.5x scale

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.