Home / 96,686.64-145,038.60-30,127.32

Finding the Fourth Proportional to 96,686.64, 145,038.60 and 30,127.32

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Solution

The fourth proportional to 96,686.64, 145,038.60 and 30,127.32 is: 45,193.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,686.64 : 145,038.60 = 30,127.32 : x
  2. Step 2: Convert to fraction form
    96,686.64/145,038.60 = 30,127.32/x
  3. Step 3: Cross multiply
    96,686.64x = 145,038.60 × 30,127.32
  4. Step 4: Simplify right side
    96,686.64x = 4,369,624,314.55
  5. Step 5: Solve for x
    x = 4,369,624,314.55/96,686.64
  6. Step 6: Final answer
    x = 45,193.67

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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.