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Finding the Fourth Proportional to 112,031.01, 154,602.63 and 61,730.01

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Solution

The fourth proportional to 112,031.01, 154,602.63 and 61,730.01 is: 85,187.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,031.01 : 154,602.63 = 61,730.01 : x
  2. Step 2: Convert to fraction form
    112,031.01/154,602.63 = 61,730.01/x
  3. Step 3: Cross multiply
    112,031.01x = 154,602.63 × 61,730.01
  4. Step 4: Simplify right side
    112,031.01x = 9,543,621,895.93
  5. Step 5: Solve for x
    x = 9,543,621,895.93/112,031.01
  6. Step 6: Final answer
    x = 85,187.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.