Home / 103,647.80-154,663.32-92,477.72

Finding the Fourth Proportional to 103,647.80, 154,663.32 and 92,477.72

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Solution

The fourth proportional to 103,647.80, 154,663.32 and 92,477.72 is: 137,995.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,647.80 : 154,663.32 = 92,477.72 : x
  2. Step 2: Convert to fraction form
    103,647.80/154,663.32 = 92,477.72/x
  3. Step 3: Cross multiply
    103,647.80x = 154,663.32 × 92,477.72
  4. Step 4: Simplify right side
    103,647.80x = 14,302,911,201.23
  5. Step 5: Solve for x
    x = 14,302,911,201.23/103,647.80
  6. Step 6: Final answer
    x = 137,995.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.