Home / 159,038.37-219,477.70-91,077.35

Finding the Fourth Proportional to 159,038.37, 219,477.70 and 91,077.35

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Solution

The fourth proportional to 159,038.37, 219,477.70 and 91,077.35 is: 125,689.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,038.37 : 219,477.70 = 91,077.35 : x
  2. Step 2: Convert to fraction form
    159,038.37/219,477.70 = 91,077.35/x
  3. Step 3: Cross multiply
    159,038.37x = 219,477.70 × 91,077.35
  4. Step 4: Simplify right side
    159,038.37x = 19,989,446,316.55
  5. Step 5: Solve for x
    x = 19,989,446,316.55/159,038.37
  6. Step 6: Final answer
    x = 125,689.46

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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.