Home / 212,728.63-293,567.52-117,238.81

Finding the Fourth Proportional to 212,728.63, 293,567.52 and 117,238.81

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Solution

The fourth proportional to 212,728.63, 293,567.52 and 117,238.81 is: 161,790.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,728.63 : 293,567.52 = 117,238.81 : x
  2. Step 2: Convert to fraction form
    212,728.63/293,567.52 = 117,238.81/x
  3. Step 3: Cross multiply
    212,728.63x = 293,567.52 × 117,238.81
  4. Step 4: Simplify right side
    212,728.63x = 34,417,506,699.45
  5. Step 5: Solve for x
    x = 34,417,506,699.45/212,728.63
  6. Step 6: Final answer
    x = 161,790.67

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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.