Home / 162,048.16-243,071.88-56,897.20

Finding the Fourth Proportional to 162,048.16, 243,071.88 and 56,897.20

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Solution

The fourth proportional to 162,048.16, 243,071.88 and 56,897.20 is: 85,345.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,048.16 : 243,071.88 = 56,897.20 : x
  2. Step 2: Convert to fraction form
    162,048.16/243,071.88 = 56,897.20/x
  3. Step 3: Cross multiply
    162,048.16x = 243,071.88 × 56,897.20
  4. Step 4: Simplify right side
    162,048.16x = 13,830,109,370.74
  5. Step 5: Solve for x
    x = 13,830,109,370.74/162,048.16
  6. Step 6: Final answer
    x = 85,345.67

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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.