Home / 162,075.64-243,222.80-56,895.52

Finding the Fourth Proportional to 162,075.64, 243,222.80 and 56,895.52

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Solution

The fourth proportional to 162,075.64, 243,222.80 and 56,895.52 is: 85,381.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,075.64 : 243,222.80 = 56,895.52 : x
  2. Step 2: Convert to fraction form
    162,075.64/243,222.80 = 56,895.52/x
  3. Step 3: Cross multiply
    162,075.64x = 243,222.80 × 56,895.52
  4. Step 4: Simplify right side
    162,075.64x = 13,838,287,681.86
  5. Step 5: Solve for x
    x = 13,838,287,681.86/162,075.64
  6. Step 6: Final answer
    x = 85,381.66

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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.