Home / 152,762.08-229,113.44-76,840.40

Finding the Fourth Proportional to 152,762.08, 229,113.44 and 76,840.40

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Solution

The fourth proportional to 152,762.08, 229,113.44 and 76,840.40 is: 115,245.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,762.08 : 229,113.44 = 76,840.40 : x
  2. Step 2: Convert to fraction form
    152,762.08/229,113.44 = 76,840.40/x
  3. Step 3: Cross multiply
    152,762.08x = 229,113.44 × 76,840.40
  4. Step 4: Simplify right side
    152,762.08x = 17,605,168,374.98
  5. Step 5: Solve for x
    x = 17,605,168,374.98/152,762.08
  6. Step 6: Final answer
    x = 115,245.67

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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.