Home / 112,303.35-154,976.22-61,314.12

Finding the Fourth Proportional to 112,303.35, 154,976.22 and 61,314.12

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Solution

The fourth proportional to 112,303.35, 154,976.22 and 61,314.12 is: 84,612.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,303.35 : 154,976.22 = 61,314.12 : x
  2. Step 2: Convert to fraction form
    112,303.35/154,976.22 = 61,314.12/x
  3. Step 3: Cross multiply
    112,303.35x = 154,976.22 × 61,314.12
  4. Step 4: Simplify right side
    112,303.35x = 9,502,230,550.23
  5. Step 5: Solve for x
    x = 9,502,230,550.23/112,303.35
  6. Step 6: Final answer
    x = 84,612.17

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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.