Home / 155,316.02-213,807.20-114,953.72

Finding the Fourth Proportional to 155,316.02, 213,807.20 and 114,953.72

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Solution

The fourth proportional to 155,316.02, 213,807.20 and 114,953.72 is: 158,244.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,316.02 : 213,807.20 = 114,953.72 : x
  2. Step 2: Convert to fraction form
    155,316.02/213,807.20 = 114,953.72/x
  3. Step 3: Cross multiply
    155,316.02x = 213,807.20 × 114,953.72
  4. Step 4: Simplify right side
    155,316.02x = 24,577,931,358.98
  5. Step 5: Solve for x
    x = 24,577,931,358.98/155,316.02
  6. Step 6: Final answer
    x = 158,244.67

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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.