Home / 374,457.50-561,686.28-125,139.50

Finding the Fourth Proportional to 374,457.50, 561,686.28 and 125,139.50

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Solution

The fourth proportional to 374,457.50, 561,686.28 and 125,139.50 is: 187,709.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,457.50 : 561,686.28 = 125,139.50 : x
  2. Step 2: Convert to fraction form
    374,457.50/561,686.28 = 125,139.50/x
  3. Step 3: Cross multiply
    374,457.50x = 561,686.28 × 125,139.50
  4. Step 4: Simplify right side
    374,457.50x = 70,289,140,236.06
  5. Step 5: Solve for x
    x = 70,289,140,236.06/374,457.50
  6. Step 6: Final answer
    x = 187,709.26

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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.