Home / 134,162.08-185,132.88-77,577.12

Finding the Fourth Proportional to 134,162.08, 185,132.88 and 77,577.12

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Solution

The fourth proportional to 134,162.08, 185,132.88 and 77,577.12 is: 107,050.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,162.08 : 185,132.88 = 77,577.12 : x
  2. Step 2: Convert to fraction form
    134,162.08/185,132.88 = 77,577.12/x
  3. Step 3: Cross multiply
    134,162.08x = 185,132.88 × 77,577.12
  4. Step 4: Simplify right side
    134,162.08x = 14,362,075,647.71
  5. Step 5: Solve for x
    x = 14,362,075,647.71/134,162.08
  6. Step 6: Final answer
    x = 107,050.19

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1.5x scale

Why These Related Problems?

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