Home / 102,779.06-154,199.64-48,785.18

Finding the Fourth Proportional to 102,779.06, 154,199.64 and 48,785.18

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Solution

The fourth proportional to 102,779.06, 154,199.64 and 48,785.18 is: 73,192.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,779.06 : 154,199.64 = 48,785.18 : x
  2. Step 2: Convert to fraction form
    102,779.06/154,199.64 = 48,785.18/x
  3. Step 3: Cross multiply
    102,779.06x = 154,199.64 × 48,785.18
  4. Step 4: Simplify right side
    102,779.06x = 7,522,657,193.34
  5. Step 5: Solve for x
    x = 7,522,657,193.34/102,779.06
  6. Step 6: Final answer
    x = 73,192.51

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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.