Home / 374,038.12-561,130.35-137,382.58

Finding the Fourth Proportional to 374,038.12, 561,130.35 and 137,382.58

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Solution

The fourth proportional to 374,038.12, 561,130.35 and 137,382.58 is: 206,100.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,038.12 : 561,130.35 = 137,382.58 : x
  2. Step 2: Convert to fraction form
    374,038.12/561,130.35 = 137,382.58/x
  3. Step 3: Cross multiply
    374,038.12x = 561,130.35 × 137,382.58
  4. Step 4: Simplify right side
    374,038.12x = 77,089,535,199.30
  5. Step 5: Solve for x
    x = 77,089,535,199.30/374,038.12
  6. Step 6: Final answer
    x = 206,100.75

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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.