Home / 112,378.08-168,591.75-42,257.40

Finding the Fourth Proportional to 112,378.08, 168,591.75 and 42,257.40

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Solution

The fourth proportional to 112,378.08, 168,591.75 and 42,257.40 is: 63,395.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,378.08 : 168,591.75 = 42,257.40 : x
  2. Step 2: Convert to fraction form
    112,378.08/168,591.75 = 42,257.40/x
  3. Step 3: Cross multiply
    112,378.08x = 168,591.75 × 42,257.40
  4. Step 4: Simplify right side
    112,378.08x = 7,124,248,225.77
  5. Step 5: Solve for x
    x = 7,124,248,225.77/112,378.08
  6. Step 6: Final answer
    x = 63,395.35

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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.