Home / 134,428.02-201,671.30-40,931.34

Finding the Fourth Proportional to 134,428.02, 201,671.30 and 40,931.34

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Solution

The fourth proportional to 134,428.02, 201,671.30 and 40,931.34 is: 61,405.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,428.02 : 201,671.30 = 40,931.34 : x
  2. Step 2: Convert to fraction form
    134,428.02/201,671.30 = 40,931.34/x
  3. Step 3: Cross multiply
    134,428.02x = 201,671.30 × 40,931.34
  4. Step 4: Simplify right side
    134,428.02x = 8,254,676,343.89
  5. Step 5: Solve for x
    x = 8,254,676,343.89/134,428.02
  6. Step 6: Final answer
    x = 61,405.92

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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.