Home / 147,623.30-221,467.35-72,779.30

Finding the Fourth Proportional to 147,623.30, 221,467.35 and 72,779.30

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Solution

The fourth proportional to 147,623.30, 221,467.35 and 72,779.30 is: 109,184.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,623.30 : 221,467.35 = 72,779.30 : x
  2. Step 2: Convert to fraction form
    147,623.30/221,467.35 = 72,779.30/x
  3. Step 3: Cross multiply
    147,623.30x = 221,467.35 × 72,779.30
  4. Step 4: Simplify right side
    147,623.30x = 16,118,238,705.86
  5. Step 5: Solve for x
    x = 16,118,238,705.86/147,623.30
  6. Step 6: Final answer
    x = 109,184.92

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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.