Home / 112,210.91-154,856.98-64,467.35

Finding the Fourth Proportional to 112,210.91, 154,856.98 and 64,467.35

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Solution

The fourth proportional to 112,210.91, 154,856.98 and 64,467.35 is: 88,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,210.91 : 154,856.98 = 64,467.35 : x
  2. Step 2: Convert to fraction form
    112,210.91/154,856.98 = 64,467.35/x
  3. Step 3: Cross multiply
    112,210.91x = 154,856.98 × 64,467.35
  4. Step 4: Simplify right side
    112,210.91x = 9,983,219,129.60
  5. Step 5: Solve for x
    x = 9,983,219,129.60/112,210.91
  6. Step 6: Final answer
    x = 88,968.35

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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.